This Level IV case series shows the difficulty of managing the glenoid bone after a failed glenoid arthroplasty. The authors used large structural allografts (femoral heads) in an attempt to restore sufficient bone stock so that a glenoid component could be reinserted. Five of 18 such grafts healed sufficiently to allow subsequent glenoid arthroplasties. On average 50% of the graft reabsorbed. When metal screws were used for fixation of the graft, screw failure was common.
It can be concluded that this procedure is a consideration when glenoid component re-implantation is being considered as long as the risk of graft resorption is recognized.
Glenoid component failure is a serious problem. Our preference is to avoid bone grafts whenever possible as explained here.
Glenoid component failure is a serious problem. Our preference is to avoid bone grafts whenever possible as explained here.
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